Displays questions with various types of options. Options can be text, images, videos, files, or links. Users can select an option and receive feedback on their choice. Data is dynamically loaded from ...

It is not uncommon that a single SQL statement such as a SELECT statement includes sub-SQL SELECT statements, or sub-queries, that generate a sub-result set within the top-level statement. If these ...

In an Amazon Aurora database (DB) cluster, failover is a mechanism by which Aurora automatically repairs the DB cluster status when a primary DB instance becomes unavailable. It achieves this goal by ...